400,322

2 × 13 × 89 × 173

Prime Factor Structure

Factorization String 2 × 13 × 89 × 173

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 657,720

Proper Divisor Sum 257,398

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #400321 ← → #400331

1 2 13 26 89 173 178 346 1,157 2,249 2,314 4,498 15,397 30,794 200,161 400,322

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

400,322 200,161 600,484 300,242 150,121 450,364 225,182 112,591 337,774 168,887 506,662 253,331 759,994 379,997 1,139,992 569,996 284,998 142,499 427,498 213,749 641,248 320,624 160,312 80,156 40,078 20,039 60,118 30,059 90,178 45,089 135,268 67,634 33,817 101,452 50,726 25,363 76,090 38,045 114,136 57,068 28,534 14,267 42,802 21,401 64,204 32,102 16,051 48,154 24,077 72,232 36,116 18,058 9,029 27,088 13,544 6,772 3,386 1,693 5,080 2,540

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